Mainly described are the working principles and structure features of the number marking device for the computer-controlled signal board.

主要介绍了微机控制标志板打号机的工作原理及结构特点。

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Key Stage 2 test markers, who are practising or retired teachers, receive thorough training and undergo a number of quality checks through the marking process.

BBC: Head teachers complain of 'erratic' Sats marking

When the gun is fired the marking theoretically leaves a serial number on the primer encased in the spent cartridge.

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However that number was up 30 percent from the same time last year, marking the worst quarter since 2011.

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